* added push mirror and command

* reformatted push code to separate from pull mirror

* restructured mirror calls

* fixed typo in long description, changed maxArgs to exactArgs, added edit call for pull mirror

* made url and direction required, passing allow-divergence now warns when used with pull mirror, added separate options struct for both push and pull mirror calls

* add prject url to be specified as argument

Co-authored-by: NikhilMJagtap <nikhil.jagtap@workindia.in>
Co-authored-by: Clement Sam <clementsam75@gmail.com>